CN101037630A - Oil gas field natural gas high gravity desulfurization method - Google Patents
Oil gas field natural gas high gravity desulfurization method Download PDFInfo
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- CN101037630A CN101037630A CN 200710101508 CN200710101508A CN101037630A CN 101037630 A CN101037630 A CN 101037630A CN 200710101508 CN200710101508 CN 200710101508 CN 200710101508 A CN200710101508 A CN 200710101508A CN 101037630 A CN101037630 A CN 101037630A
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- Prior art keywords
- natural gas
- solution
- gas
- sulphur
- outlet
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 92
- 239000003345 natural gas Substances 0.000 title claims abstract description 46
- 239000007789 gas Substances 0.000 title claims abstract description 32
- 230000005484 gravity Effects 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000006477 desulfuration reaction Methods 0.000 title claims description 28
- 230000023556 desulfurization Effects 0.000 title claims description 26
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 74
- 239000005864 Sulphur Substances 0.000 claims abstract description 42
- 239000006260 foam Substances 0.000 claims abstract description 33
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 21
- 239000011593 sulfur Substances 0.000 claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 17
- 230000008676 import Effects 0.000 claims description 33
- 235000009508 confectionery Nutrition 0.000 claims description 28
- 239000003595 mist Substances 0.000 claims description 15
- 238000005516 engineering process Methods 0.000 claims description 11
- 238000002844 melting Methods 0.000 claims description 10
- 230000008018 melting Effects 0.000 claims description 10
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims description 7
- 235000003599 food sweetener Nutrition 0.000 claims description 7
- 229910000037 hydrogen sulfide Inorganic materials 0.000 claims description 7
- 239000003765 sweetening agent Substances 0.000 claims description 7
- 230000003009 desulfurizing effect Effects 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 6
- 238000011084 recovery Methods 0.000 claims description 4
- 239000000725 suspension Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000004215 Carbon black (E152) Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 229930195733 hydrocarbon Natural products 0.000 claims description 3
- 150000002430 hydrocarbons Chemical class 0.000 claims description 3
- 238000001179 sorption measurement Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- -1 sulfhydryl compound Chemical class 0.000 claims description 3
- 230000001172 regenerating effect Effects 0.000 abstract 4
- 239000012530 fluid Substances 0.000 abstract 3
- 238000010438 heat treatment Methods 0.000 abstract 1
- 239000000155 melt Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 4
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002343 natural gas well Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 150000003463 sulfur Chemical class 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- Gas Separation By Absorption (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Treating Waste Gases (AREA)
Abstract
A natural gas over gravity desulfating method, desulfurizer is pumped from a lean solution trough to a over gravity desulfating machine, gas well natural gas enters into the over gravity desulfating machine via a extrator and backset contacts with desulfurizer to remove H2S of natural gas, then enters into a demister to seperate liquid and gas, seperated entrained liquid flows in a steady fluid container to circulating use; natural gas entres into gas supply pipe; seperated H2S entres into a steady fluid container then to regenerating column from bottom of thea steady fluid container, H2S reduced to S by air in the regenerating column, S formed foam in the regenerating column suspending on surafce of solution, while solution reduced to desulfurizer returns to the lean solution tank to circulating use; S in the regenerating column overflows to S foam chute, then enters into centrifuger to sperate liquid and gas, seperated S foam enters into a melt sulfur pot, seperating sulphur by electrical heating melt sulfur. The method removes H2S of natural, prevents environment pollution and produce industrial sulphur.
Description
One, technical field
The present invention relates in the oil-gas field development height be contained H
2The sulfur method of S Sweet natural gas and oil well associated gas, specifically a kind of Sweet natural gas high gravity desulfurization method.
Two, background technology
At present oil-gas field is under development runs into many Sweet natural gases and contains H
2The block that S is very high.Particularly the oil field height contains H
2The oil well associated gas of S.Draw oily technology owing to adopt, flow process is not airtight, cause the work on the spot environment extremely abominable, the watchstander has big life security hidden danger, and for preventing security incident, the watchstander dare not often sit at watchroom evening, must often take a walk to outdoor, in extremely cold winter also is so, and the workman goes to work on tenterhooks, work that can not be whole-heartedly.Simultaneously, H
2S is a hazardous medium in the gas gathering and transportation treating processes, can cause the heavy corrosion of pipeline and equipment under the situation that has water to exist, and especially sulfide belongs to high harm medium, and the serious harm personnel safety is one of environomental pollution source of necessary strict control.Therefore height is contained H
2The Sweet natural gas of S must be through handling.At present, dry desulfurizing process is too high for the high sulfur-containing natural gas cost, what conventional wet desulfurizing process was used to absorb and the equipment of resolving mainly adopts is tray column and packing tower, and these equipment sizes are huge, cost is high, resistance is big, mass-transfer efficiency is lower, turndown ratio is little, invest height.And little, the less investment of exploitation volume, desulfuration efficiency height, be fit to selexol process and handle sulfur method and help solving height and contain H
2The processing of S Sweet natural gas.
Three, summary of the invention
The method that the purpose of this invention is to provide a kind of Sweet natural gas high gravity desulfurization solves the Sweet natural gas height and contains H
2The problem that the desulphurizing natural gas in oil and gas fields of S is handled and kept the safety in production.
Technical scheme of the present invention realizes in the following manner:
Adopt wet desulphurization agent desulfurization, its key is equipment raising desulfuration efficiencies such as employing high gravity desulfurization machine.
The present invention is made up of separator 1, high gravity desulfurization machine 2, mist eliminator 3, steady flow container 3, regenerator column 4, lean solution jar 5, lean pump 6, explosion-proof gas blower 10, sulphur foam chute 7, whizzer 8, sulfur melting kettle 9.
Sweetening agent in the lean solution groove is in lean pump is promoted to the high gravity desulfurization machine; The high sulfur-containing natural gas that comes from gas well is gone in the hypergravity desulfurizing machine through separator separated free water and heavy hydrocarbon are laggard, with top-down sweetening agent counter current contact, takes off the hydrogen sulfide in the Sweet natural gas; The Sweet natural gas of taking off hydrogen sulfide enters mist eliminator and carries out gas-liquid separation, separates the wherein contained liquid of carrying secretly, carries liquid secretly and flows to steady flow container and recycle; Enter gas transmission line through the isolated Sweet natural gas of mist eliminator; After the desulfurization of high gravity desulfurization machine, be rich in H
2The pressure of the soln using Sweet natural gas of S enters steady flow container, go out to enter regenerator column from the jar base pressure then, absorb air or blast air by gas blower from the regenerator column bottom by two self-adsorption ejectors at regenerator column inlet the sulfhydryl compound the solution is reduced into elemental sulfur, elemental sulfur forms the sulphur foam suspension on solution surface in regenerator column.Meanwhile solution is reduced into again and can removes H
2The lean solution of S is returned the lean solution jar and is re-used; Elemental sulfur in the regenerator column is suspended in solution surface with the sulphur form of foam, by overflow to the sulphur foam chute, enter whizzer then and carry out solid-liquid separation, the doctor solution of telling enters the lean solution jar, the sulphur foam that takes off behind the liquid enters in the sulfur melting kettle, carries out the molten sulphur of electrically heated, when temperature reaches 157～164 ℃, utilize density difference with sulphur and solution separating, recovery sulphur.
The high gravity desulfurization machine is the round can type, vertical ground is installed, its top is provided with a doctor solution import and a purified natural gas outlet, its all side in middle part is established a Sweet natural gas import, its underpart week side is established a doctor solution outlet, top doctor solution import links to each other with the lean pump outlet, the top gas outlet links to each other with mist eliminator, middle part Sweet natural gas import links to each other with natural-gas separator, lower part outlet links to each other with steady flow container, mist eliminator outlet at bottom pipe inserts steady flow container middle and lower part, steady flow container outlet links to each other with the side middle and lower part doctor solution import of regenerator column week, the import of regenerator column bottom air links to each other with gas blower, the outlet of regenerator column doctor solution links to each other with the import of lean solution jar, the outlet of lean solution jar links to each other with the lean pump import, regenerator column sulphur foam outlet links to each other with the import of sulphur foam chute, the outlet of sulphur foam chute links to each other with the whizzer import, the doctor solution outlet of whizzer bottom links to each other with the import of lean solution jar, sulphur foam behind the centrifuge dewatering advances sulfur melting kettle and bears simple substance sulphur, by pipeline connecting and composing Sweet natural gas high gravity desulfurization technology and producing sulphur technology various device.
Through retrieval both at home and abroad, do not find the sulfur removal technology identical as yet with the present invention, the present invention has improved well head or the side area contains H
2S selexol process efficient has reduced construction costs, has made things convenient for production management.
Compared with the prior art the present invention has the following advantages:
1, this sulfur removal technology is simple in structure, reasonable in design, and equipment volume is little, can form serial standardized product according to process lot size whole process unit layout on a sled piece, and is on-the-spot quick and easy for installation, do not influence ordinary production.
2, adopt advanced equipment and technical process such as high gravity desulfurization machine, the high gravity desulfurization machine equipment removes H
2The S operational efficiency is high and can reclaim elemental sulfur.
3, selexol process flow process, sweetening agent regeneration flow process, elemental sulfur recovery process are combined, sulfur removal technology can be whole becomes sled, and compact equipment, volume be little, take up an area of less, cost is low, and production run and desulphurization cost are low.
Four, description of drawings
Fig. 1-process flow sheet of the present invention.
Sequence number explanation among the figure: 1-separator 2-hypergravity takes off the machine 3-of staying and catches the steady flow container of foam machine 4-regenerator column 5-lean solution jar 6-lean pump 7-sulphur foam chute 8-whizzer 9-sulfur melting kettle 10-gas blower 11-
Five, embodiment
For further disclosing technical scheme of the present invention,, elaborate by embodiment below in conjunction with Figure of description;
The present invention is by separator 1, high gravity desulfurization machine 2, mist eliminator 3, steady flow container 11, regenerator column 4, lean solution jar 5, lean pump 6, explosion-proof gas blower 10, sulphur foam chute 7, whizzer 8 and sulfur melting kettle 9 are formed, the high gravity desulfurization machine is the round can type, vertical ground is installed, its top is provided with a doctor solution import and a purified natural gas outlet, its all side in middle part is established a Sweet natural gas import, its underpart week side is established a doctor solution outlet, top doctor solution import links to each other with the lean pump outlet, the top gas outlet links to each other with mist eliminator, middle part Sweet natural gas import links to each other with natural-gas separator, lower part outlet links to each other with steady flow container, mist eliminator outlet at bottom pipe inserts steady flow container middle and lower part, steady flow container outlet links to each other with the side middle and lower part doctor solution import of regenerator column week, and the import of regenerator column bottom air links to each other with gas blower, and the outlet of regenerator column doctor solution links to each other with the import of lean solution jar, the outlet of lean solution jar links to each other with the lean pump import, regenerator column sulphur foam outlet links to each other with the import of sulphur foam chute, and the outlet of sulphur foam chute links to each other with the whizzer import, and the doctor solution outlet of whizzer bottom links to each other with the import of lean solution jar, sulphur foam behind the centrifuge dewatering advances sulfur melting kettle and bears simple substance sulphur, by pipeline connecting and composing Sweet natural gas high gravity desulfurization technology and producing sulphur technology various device.
The built-in sweetening agent of lean solution groove promotes hypergravity machine through lean pump, and the high sulfur-containing natural gas that comes from gas gas separates through separator that water outlet and heavy hydrocarbon are laggard goes in the hypergravity desulfurizing machine, with top-down sweetening agent counter current contact, takes off the hydrogen sulfide in the Sweet natural gas; The Sweet natural gas of taking off hydrogen sulfide enters mist eliminator and carries out gas-liquid separation, isolates to carry liquid secretly and flow into steady flow container and recycle; Enter gas transmission line through the isolated Sweet natural gas of mist eliminator; The pressure of the soln using Sweet natural gas that is rich in hydrogen sulfide after the desulfurization of high gravity desulfurization machine enters steady flow container, go out to enter regenerator column from the jar base pressure then, the regenerator column inlet absorbs air by interior two self-adsorption ejectors, or blast air by gas blower from regenerator column bottom the sulfhydryl compound the solution is reduced into elemental sulfur, form foam suspension in the regenerator column on solution surface; Solution is reduced into vulcanizing agent again simultaneously, returns the lean solution jar and re-uses; Elemental sulfur forms the sulphur foam suspension on solution surface in regenerator column.Meanwhile solution is reduced into again and can removes H
2The lean solution of S is returned the lean solution jar and is re-used; Elemental sulfur in the regenerator column is suspended in solution surface with the sulphur form of foam, by overflow to the sulphur foam chute, enter whizzer then and carry out solid-liquid separation, the doctor solution of telling enters the lean solution jar, the sulphur foam that takes off behind the liquid enters in the sulfur melting kettle, carries out the molten sulphur of electrically heated, when temperature reaches 157～164 ℃, utilize density difference with sulphur and solution separating, recovery sulphur.
Claims (2)
1, a kind of Sweet natural gas high gravity desulfurization method, its technical process is made up of separator, high gravity desulfurization machine, mist eliminator, steady flow container, regenerator column, lean solution jar, lean pump, explosion-proof gas blower, sulphur foam chute, whizzer and sulfur melting kettle, it is characterized in that the interior sweetening agent of lean solution groove is in lean pump is promoted to the high gravity desulfurization machine; The high sulfur-containing natural gas that comes from gas well is gone in the hypergravity desulfurizing machine through separator separated free water and heavy hydrocarbon are laggard, with top-down sweetening agent counter current contact, takes off the hydrogen sulfide in the Sweet natural gas; The Sweet natural gas of taking off hydrogen sulfide enters mist eliminator and carries out gas-liquid separation, separates the wherein contained liquid of carrying secretly, carries liquid secretly and flows to steady flow container and recycle; Enter gas transmission line through the isolated Sweet natural gas of mist eliminator; After the desulfurization of high gravity desulfurization machine, be rich in H
2The pressure of the soln using Sweet natural gas of S enters steady flow container, go out to enter regenerator column from the jar base pressure then, absorb air or blast air by gas blower from the regenerator column bottom by two self-adsorption ejectors at regenerator column inlet the sulfhydryl compound the solution is reduced into elemental sulfur, elemental sulfur forms the sulphur foam suspension on solution surface in regenerator column; Meanwhile solution is reduced into again and can removes H
2The lean solution of S is returned the lean solution jar and is re-used; Elemental sulfur in the regenerator column is suspended in solution surface with the sulphur form of foam, by overflow to the sulphur foam chute, enter whizzer then and carry out solid-liquid separation, the doctor solution of telling enters the lean solution jar, the sulphur foam that takes off behind the liquid enters in the sulfur melting kettle, carries out the molten sulphur of electrically heated, when temperature reaches 157～164 ℃, utilize density difference with sulphur and solution separating, recovery sulphur.
2, a kind of Sweet natural gas high gravity desulfurization method according to claim 1, desulfurizing machine is the round can type, vertical ground is installed, its top is provided with a doctor solution import and a purified natural gas outlet, its all side in middle part is established a Sweet natural gas import, its underpart week side is established a doctor solution outlet, top doctor solution import links to each other with the lean pump outlet, the top gas outlet links to each other with mist eliminator, middle part Sweet natural gas import links to each other with natural-gas separator, lower part outlet links to each other with steady flow container, mist eliminator outlet at bottom pipe inserts steady flow container middle and lower part, steady flow container outlet links to each other with the side middle and lower part doctor solution import of regenerator column week, the import of regenerator column bottom air links to each other with gas blower, the outlet of regenerator column doctor solution links to each other with the import of lean solution jar, the outlet of lean solution jar links to each other with the lean pump import, regenerator column sulphur foam outlet links to each other with the import of sulphur foam chute, the outlet of sulphur foam chute links to each other with the whizzer import, the doctor solution outlet of whizzer bottom links to each other with the import of lean solution jar, sulphur foam behind the centrifuge dewatering advances sulfur melting kettle and bears simple substance sulphur, by pipeline connecting and composing Sweet natural gas high gravity desulfurization technology and producing sulphur technology various device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101015080A CN101037630B (en) | 2007-04-24 | 2007-04-24 | Oil gas field natural gas high gravity desulfurization method |
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|---|---|---|---|
| CN2007101015080A CN101037630B (en) | 2007-04-24 | 2007-04-24 | Oil gas field natural gas high gravity desulfurization method |
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| CN101037630A true CN101037630A (en) | 2007-09-19 |
| CN101037630B CN101037630B (en) | 2010-11-17 |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101870883A (en) * | 2009-04-24 | 2010-10-27 | 中国石油天然气股份有限公司 | Method for separating sulfur generated by hydrogen sulfide oxidation through circulation foam |
| CN102061206A (en) * | 2010-12-02 | 2011-05-18 | 山东三维石化工程股份有限公司 | Pressure reduction gas desulfurization method |
| CN102151476A (en) * | 2011-03-29 | 2011-08-17 | 武汉国力通化工环保科技有限公司 | Method for removing hydrogen sulfide in gas phase through oxidization under high gravity field |
| GB2491177A (en) * | 2011-05-26 | 2012-11-28 | Olky Technology Equipment Co Ltd | The Equipment of Natural Gas Desulfurization by High-Gravity to Remove Hydrogen Sulfide |
| CN103111177A (en) * | 2013-02-26 | 2013-05-22 | 余国贤 | Method and device for removing hydrogen sulfide in gas phase through oxidation |
| CN103170218A (en) * | 2013-04-07 | 2013-06-26 | 清华大学 | Methane purifying method and system |
| CN103585883A (en) * | 2013-11-13 | 2014-02-19 | 江苏智道工程技术有限公司 | Technology and device for recovering volatile tail gas in sulfur collection pit of sulfur device of oil refinery |
| CN103923718A (en) * | 2014-04-22 | 2014-07-16 | 烟台新瑞环保科技有限公司 | Desulphurization method of natural gas and desulphurization device thereof |
| CN104368230A (en) * | 2013-08-14 | 2015-02-25 | 中国石油化工股份有限公司 | Regeneration system and regeneration method of wet type redox desulphurization technology |
| CN104818068A (en) * | 2015-04-11 | 2015-08-05 | 山东科瑞机械制造有限公司 | High-hydrogen sulfide natural gas or oil field associated gas desulfurization system |
| CN106139901A (en) * | 2016-08-15 | 2016-11-23 | 山东派力迪环保工程有限公司 | Efficiently liquid phase TRS purifies technique and device used thereof |
| CN109628185A (en) * | 2019-01-15 | 2019-04-16 | 西安长庆科技工程有限责任公司 | A kind of desulfurization integrated integrating device of intelligence well head and method |
| CN114933924A (en) * | 2022-06-27 | 2022-08-23 | 中海石油(中国)有限公司 | System and method for quickly generating associated gas hydrate by supergravity method |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8300096D0 (en) * | 1982-01-19 | 1983-02-09 | Ici Plc | Removal of hydrogen sulphide from gas streams |
| CN1274391C (en) * | 2003-10-20 | 2006-09-13 | 中国石油化工股份有限公司 | Method of eliminating impurity from gas phase |
| CN1247302C (en) * | 2003-10-31 | 2006-03-29 | 中国石油化工股份有限公司 | Ultragravity field rotary bed mass transfer and conversion unit |
-
2007
- 2007-04-24 CN CN2007101015080A patent/CN101037630B/en active Active
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|---|---|---|---|---|
| CN101870883B (en) * | 2009-04-24 | 2013-07-31 | 中国石油天然气股份有限公司 | Method for separating sulfur generated by hydrogen sulfide oxidation through circulation foam |
| CN101870883A (en) * | 2009-04-24 | 2010-10-27 | 中国石油天然气股份有限公司 | Method for separating sulfur generated by hydrogen sulfide oxidation through circulation foam |
| CN102061206A (en) * | 2010-12-02 | 2011-05-18 | 山东三维石化工程股份有限公司 | Pressure reduction gas desulfurization method |
| CN102151476A (en) * | 2011-03-29 | 2011-08-17 | 武汉国力通化工环保科技有限公司 | Method for removing hydrogen sulfide in gas phase through oxidization under high gravity field |
| GB2491177A (en) * | 2011-05-26 | 2012-11-28 | Olky Technology Equipment Co Ltd | The Equipment of Natural Gas Desulfurization by High-Gravity to Remove Hydrogen Sulfide |
| CN103111177A (en) * | 2013-02-26 | 2013-05-22 | 余国贤 | Method and device for removing hydrogen sulfide in gas phase through oxidation |
| CN103170218A (en) * | 2013-04-07 | 2013-06-26 | 清华大学 | Methane purifying method and system |
| CN103170218B (en) * | 2013-04-07 | 2015-02-18 | 清华大学 | Methane purifying method and system |
| CN104368230A (en) * | 2013-08-14 | 2015-02-25 | 中国石油化工股份有限公司 | Regeneration system and regeneration method of wet type redox desulphurization technology |
| CN104368230B (en) * | 2013-08-14 | 2016-08-17 | 中国石油化工股份有限公司 | The regenerative system of a kind of wet oxidation reduction and desulfurization process and renovation process |
| CN103585883B (en) * | 2013-11-13 | 2016-01-20 | 江苏智道工程技术有限公司 | Volatility solvent recovery technology from vent gas and device in a kind of oil plant sulphur unit collection solfatara |
| CN103585883A (en) * | 2013-11-13 | 2014-02-19 | 江苏智道工程技术有限公司 | Technology and device for recovering volatile tail gas in sulfur collection pit of sulfur device of oil refinery |
| CN103923718A (en) * | 2014-04-22 | 2014-07-16 | 烟台新瑞环保科技有限公司 | Desulphurization method of natural gas and desulphurization device thereof |
| CN104818068A (en) * | 2015-04-11 | 2015-08-05 | 山东科瑞机械制造有限公司 | High-hydrogen sulfide natural gas or oil field associated gas desulfurization system |
| CN106139901A (en) * | 2016-08-15 | 2016-11-23 | 山东派力迪环保工程有限公司 | Efficiently liquid phase TRS purifies technique and device used thereof |
| CN109628185A (en) * | 2019-01-15 | 2019-04-16 | 西安长庆科技工程有限责任公司 | A kind of desulfurization integrated integrating device of intelligence well head and method |
| CN114933924A (en) * | 2022-06-27 | 2022-08-23 | 中海石油(中国)有限公司 | System and method for quickly generating associated gas hydrate by supergravity method |
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| Publication number | Publication date |
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| CN101037630B (en) | 2010-11-17 |
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